Internal-combustion engine.



BATENTND DB0. 31, i907.

l G J. ALTHAM INTERNAL GOMBUSTION ENGINE. APPLIOATIO FILED FEB. 2.1907.

present invention to UNITED sTATEs GEORGE JOHN ALTHAM, oErALL iRIVER,

. oHUsinvrs.l

PATENT .oEEioE' l.MASSAOHUSETTS,4 ASSIGNOR TO AERO AND MARINE MOTOR COMPANY,'OF BOSTON 5 MASSACHUSETTS, A CORPORATION OF MASSA- IVNTERNALQOMBUSTION ENGINE.

Patented Dee. 31, 1907.

y L Application iilcdzehruaryrlgofj. Serial llo. 3.557.525.

To all whom itmcy concern:

yBe it known that I, GEORGE JOHN Timm,v acitizen ofthe United States, residing at Fall River,in the. county\ .of Bristol 'and Commonwealth of Massac husetts,l have ments in Internal-Combustion'.Engines;pf: which the following isa speciication. This invention relates to .internal eoInbus-f;

bya fresh charge may' befinoreorfless com-.1g rplete andfas it is `o n the comltle .oitl'iis, act that much:dependsitist e'obj'ejct ofthe* Y rovide ineansffo' "seffj` curing-satisfactory ,displacement'fof the enf?L loded' chargel and 'evendistributionQf'th esh-,chargewithin the cylixniert.y 5

To this end I havedevised' aeertain stated as desired. The structureV and mode of operation Will, bei more ullyidisclosed'in the specification which follows fand-is shown invention in' verticaizseetion.

tion of enginegshowingthefdejii parts in plan,

-Working' therein.` A y a artther'eo in Which .drawings iglire 1.,:1s ase'ction of'englnes elevation', Tand' Fig. 3, is a ".c'ro' showin@r the deiiector and arrari A issn ,engi-ne eyiitderfheving ton B and F is a y-passthrough Whichthe` compressed clu'nrgeis transmitted from the* port b in thepistonB.. A H is an exhaust port arranged :oposfite'to G. The portsl G and I-I are out in t f -neare'stythe deiiection is greatest.

' sordi deflector; 'andi' mm1nte-d-`A and amgdgwhi same with reference' to V'the poi-'t whereby the parts combine' to secure the yresults above fefsedl portions' *il which parta in theaccorn anying drawingslwh'ch-fornij 1 L1A deeotorf-'for an exploslon-engine 'havingf'agreater height atits ends than at its section? .link betWeensaid crankand,l nisenerve@ Wall of the' fcylinder andare therefore curved orts and as they are oppositely or radial disiosed t 1e ends of said ports are nearer toget ier tl'ianv their central portions.

. 'I is a ydeiiefetor mounted on the upper face of* the pistnin frontofport F. The deleotorflsbent slightly on the same general surge ofthe 'port F, but has its ends i1 re- 'fused for 'ashort distance. The up er edge of the. d eiieetor I is sloped doWnWar toward thatthecharge. entering the cylinder through the" port'Fare-ljdeiiected upward and laterally. Atthe center, however, when the dis- ,tancebetween iorts .is greatest, the charge is least defle'c'te While' at the ends of the deiiec't'orf- Where fthe. curving ports a proaoh n order to prevent the charge i' rom rushing around the ends .of the' delector, I have rovided the Ily baffle the .the center so thatth'eends' il are higher than "the-central portion'i. `i.Referringt'o' Figsf2` and 3 it will be seen spreadofthe gas in this' directionand assist 'in'its-j1niform Aspread throughout the cylinder.'

` It is obvious that the invention disclosed may loe varied by changeof form Without def parting-from the spirit of my invention.

f What'l vtherefore claim as my invention and -desire.-to'-secure by Letters Patent, is:

center.

-2. In a device of the class described, a

radial port and a deflector therefor having a greateiglieight atit's ends than at its center.

5315111 adevice of 'the class described,` a

V pairof oppositely disposed radial ports and a deiiejctor*therebetween having a greater l*height at its ends than at its center.

"In testimony whereof; I ailix my signature in-lpre'sence of. two Witnesses.

GEORGE JOHN ALTHAM. Witnesses: 

